code: def psdf6(self):
      return ps.from_pandas(self.pdf6)
  
imports: import pandas
  from pyspark import pandas
  from pyspark.pandas.config import set_option, reset_option
  from pyspark.testing.pandasutils import PandasOnSparkTestCase
  from pyspark.testing.sqlutils import SQLTestUtils
label_desc: Use image node_id 15 for calling the AssignSeriesMixin obj's underlying member method code with example usage: obj.psdf6() and returns: ps